igt@gem_exec_whisper@basic-fds-forked - timeout - callbacks suppressed, DRHD: handling fault status reg 3

https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_5060/shard-hsw6/igt@gem_exec_whisper@basic-fds-forked.html#dmesg-warnings4305

<6> [418.003311] [IGT] gem_exec_whisper: executing
<6> [418.066760] [IGT] gem_exec_whisper: starting subtest basic-fds-forked
<4> [418.071598] dmar_fault: 36 callbacks suppressed
<3> [418.071600] DMAR: DRHD: handling fault status reg 3
<3> [418.071623] DMAR: [DMA Write] Request device [00:02.0] PASID ffffffff fault addr fffff000 [fault reason 05] PTE Write access is not set
<3> [418.075529] DMAR: DRHD: handling fault status reg 3
<3> [418.075562] DMAR: [DMA Write] Request device [00:02.0] PASID ffffffff fault addr fffff000 [fault reason 05] PTE Write access is not set
<3> [418.075649] DMAR: DRHD: handling fault status reg 2
<3> [418.075677] DMAR: [DMA Write] Request device [00:02.0] PASID ffffffff fault addr fffff000 [fault reason 05] PTE Write access is not set
<3> [418.077991] DMAR: DRHD: handling fault status reg 2
<4> [538.314627] [IGT] Per-test timeout exceeded. Killing the current test with SIGQUIT.
<6> [538.314755] sysrq: Show State
<6> [538.315076] task:systemd         state:S stack:11504 pid:    1 ppid:     0 flags:0x00000000
<6> [538.315124] Call Trace:
<6> [538.315180]  __schedule+0x33c/0x960
<6> [538.315254]  schedule+0x37/0xe0
<6> [538.315281]  schedule_hrtimeout_range_clock+0x11b/0x130
<6> [538.315304]  ? ep_poll+0x4e5/0x550
<6> [538.315343]  ? _raw_write_unlock_irq+0x1f/0x40
<6> [538.315373]  ? lockdep_hardirqs_on+0xbe/0x130
<6> [538.315410]  ep_poll+0x505/0x550
<6> [538.315481]  ? finish_wait+0x80/0x80
<6> [538.315540]  do_epoll_wait+0xd8/0xf0
<6> [538.315589]  __x64_sys_epoll_wait+0x15/0x20
<6> [538.315610]  do_syscall_64+0x33/0x80
<6> [538.315636]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
<6> [538.315658] RIP: 0033:0x7f70c0d81bb7
<6> [538.315686] Code: Bad RIP value.
<6> [538.315705] RSP: 002b:00007ffdb4bfa750 EFLAGS: 00000293 ORIG_RAX: 00000000000000e8
<6> [538.315729] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f70c0d81bb7
<6> [538.315745] RDX: 0000000000000037 RSI: 00007ffdb4bfa790 RDI: 0000000000000004
<6> [538.315764] RBP: 00007ffdb4bfa790 R08: 0000000000000000 R09: 0000000000000000
<6> [538.315781] R10: 00000000ffffffff R11: 0000000000000293 R12: 0000000000000037
<6> [538.315800] R13: 00000000ffffffff R14: 00007ffdb4bfa790 R15: 0000000000000001
<6> [538.316016] task:kthreadd        state:S stack:14080 pid:    2 ppid:     0 flags:0x00004000